<template>
  <a-form-model>
    <a-radio-group v-model='radioValue' @change='radioChange'>
      <a-radio :style='radioStyle' :value='1'>
        日，允许的通配符[, - * ? / L W]
      </a-radio>
      <a-radio :style='radioStyle' :value='2'>
        不指定
      </a-radio>
      <a-radio :style='radioStyle' :value='3'>
        周期从
        <a-input-number v-model='cycle01' :min='1' :max='30' />
        -
        <a-input-number v-model='cycle02' :min='cycle01 ? cycle01 + 1 : 2' :max='31' />
        日
      </a-radio>
      <a-radio :style='radioStyle' :value='4'>
        从
        <a-input-number v-model='average01' :min='1' :max='30' />
        号开始，每
        <a-input-number v-model='average02' :min='1' :max='31 - average01 || 1' />
        日执行一次
      </a-radio>
      <a-radio :style='radioStyle' :value='5'>
        每月
        <a-input-number v-model='workday' :min='0' :max='31' />
        号最近的那个工作日
      </a-radio>
      <a-radio :style='radioStyle' :value='6'>
        本月最后一天
      </a-radio>
      <a-radio :style='radioStyle' :value='7'>
        指定
        <a-select
          mode='multiple'
          v-model='checkboxList'
          style='width: 100%'
          placeholder='可多选'
        >
          <a-select-option v-for='i in 31' :key='i'>
            {{ i }}
          </a-select-option>
        </a-select>
      </a-radio>
    </a-radio-group>
  </a-form-model>
</template>

<script>

export default {
  name: 'Day',
  props: {
    check: {
      type: Function,
      required: true
    }
  },
  components: {},
  data() {
    return {
      radioValue: 1,
      radioStyle: {
        display: 'block',
        height: '50px',
        lineHeight: '50px'
      },
      cycle01: 1,
      cycle02: 2,
      average01: 1,
      average02: 1,
      workday: 1,
      checkboxList: [],
      checkNum: this.$options.propsData.check
    }
  },
  watch: {
    radioValue: 'radioChange',
    cycleTotal: 'cycleChange',
    averageTotal: 'averageChange',
    workdayCheck: 'workdayChange',
    checkboxString: 'checkboxChange'
  },
  computed: {
    // 计算两个周期值
    cycleTotal: function() {
      const cycle01 = this.checkNum(this.cycle01, 1, 30)
      const cycle02 = this.checkNum(this.cycle02, cycle01 ? cycle01 + 1 : 2, 31)
      return cycle01 + '-' + cycle02
    },
    // 计算平均用到的值
    averageTotal: function() {
      const average01 = this.checkNum(this.average01, 1, 30)
      const average02 = this.checkNum(this.average02, 1, 31 - average01 || 0)
      return average01 + '/' + average02
    },
    // 计算工作日格式
    workdayCheck: function() {
      const workday = this.checkNum(this.workday, 1, 31)
      return workday
    },
    // 计算勾选的checkbox值合集
    checkboxString: function() {
      const str = this.checkboxList.join()
      return str === '' ? '*' : str
    }
  },
  methods: {
    radioChange() {
      if (this.radioValue !== 2) {
        this.$emit('update', 'week', '?', 'day')
      }
      switch (this.radioValue) {
        case 1:
          this.$emit('update', 'day', '*')
          break
        case 2:
          this.$emit('update', 'day', '?')
          break
        case 3:
          this.$emit('update', 'day', this.cycleTotal)
          break
        case 4:
          this.$emit('update', 'day', this.averageTotal)
          break
        case 5:
          this.$emit('update', 'day', this.workdayCheck + 'W')
          break
        case 6:
          this.$emit('update', 'day', 'L')
          break
        case 7:
          this.$emit('update', 'day', this.checkboxString)
          break
      }
    },
    // 周期两个值变化时
    cycleChange() {
      if (this.radioValue === 3) {
        this.$emit('update', 'day', this.cycleTotal)
      }
    },
    // 平均两个值变化时
    averageChange() {
      if (this.radioValue === 4) {
        this.$emit('update', 'day', this.averageTotal)
      }
    },
    // 最近工作日值变化时
    workdayChange() {
      if (this.radioValue === 5) {
        this.$emit('update', 'day', this.workdayCheck + 'W')
      }
    },
    // checkbox值变化时
    checkboxChange() {
      if (this.radioValue === 7) {
        this.$emit('update', 'day', this.checkboxString)
      }
    },
    // 父组件传递的week发生变化触发
    weekChange() {
      // 判断week值与day不能同时为“?”
      if (this.cron.week === '?' && this.radioValue === 2) {
        this.radioValue = 1
      } else if (this.cron.week !== '?' && this.radioValue !== 2) {
        this.radioValue = 2
      }
    }
  }
}
</script>
